Three weeks have passed since the Space Colony Eurasia was taken over by Sigma and led by Dynamo to collide it with Earth. Zero made a crash attack against the colony. Although X and Zero succeeded, the explosion seriously damaged the Earth, and is in need for repairs. X only returned to the battle and Zero is thought to be dead. That is until a new threat known as, "Zero Nightmare" is at large and wreaking havoc upon humans and reploids. Is Zero still alive? Will X finally put an end to the Maverick threat?
Mission critical...Zero is missing...Search and rescue!
Did You Know?
Because of the poor English translation most of the game received many people believed, incorrectly, that Sigma's dialog near the end was also a result of poor translation. The game itself points out that it is due to Sigma being in an unfinished state, Sigma has messy dialog in the Japanese version too. See more
In the opening credits, it is stated that the game takes place three weeks after the events of MegaManX5. However, at the end of MegaManX5 (X's ending) the story denotes the first stage of MegaManX6 to occur three years after the defeat of Sigma. See more
Follows Mega Man X5